Heavyweight boxing champion Mike Tyson (with promoter Don King) cracks up during a Feb. 28, 1989, visit to "The Arsenio Hall Show" after the host mimicked a flurry of punches Tyson had used in his title defense against Frank Bruno.

Heavyweight boxing champion Mike Tyson (with promoter Don King) cracks up during a Feb. 28, 1989, visit to "The Arsenio Hall Show" after the host mimicked a flurry of punches Tyson had used in his title defense against Frank Bruno. (Alan Greth/Associated Press)